package com.book.service;

import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.book.mapper.BookMapper;
import com.book.pojo.Book;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;


//继承ServiceImpl<Mapper类, 实体类>
@Service
@Transactional
public class BookService extends ServiceImpl<BookMapper, Book>{
}
